Real Madrid fought back to beat Marseille, while Arsenal claimed a comfortable win over Athletic Club in mid-week action of the Champions League.

Tottenham Hotspur 1-0 Villarreal

Tottenham Hotspur marked their return to the Champions League with a 1-0 win over Villarreal thanks to an own goal by goalkeeper Luiz Junior at the Tottenham Hotspur Stadium in London.

Real Madrid 2-1 Marseille

Real Madrid fought back from being a goal down to secure a 2-1 win over Marseille when two penalties from Kylian Mbappe cancelled out Timothy Weah’s opener at the Santiago Bernabeu in Madrid.

Juventus 4-4 Borussia Dortmund

Juventus and Borussia Dortmund shared the spoils after playing out to a thrilling 4-4 at the Allianz Stadium in Turin.

Dusan Vlahovic netted a double, while Lloyd Kelly and Kenan Yildiz also got their names on the scoresheet for Juve, while Karim Adeyemi, Felix Nmecha, Yan Bueno Couto, and Ramy Bensebaïni scored Dortmund’s goals.

SL Benfica 2-3 FK Qarabag

FK Qarabag staged an upset against SL Benfica after they secured a 3-2 victory in a five-goal thriller when goals from Leandro Livramento Andrade, Camilo Durán and Oleksii Kashchuk cancelled out goals from Enzo Barrenechea and Vangelis Pavlidis at da Luz in Lisbon.

PSV Eindhoven 1-3 Union Saint-Gilloise

Union Saint-Gilloise secured their first-ever win in the Champions League following their 3-1 win over PSV Eindhoven when Promise David, Anouar Ait El Hadj and Kevin Mac Allister cancelled out a late goal from Ruben Van Bommel at Philipsstadion in Eindhoven.

Athletic Club 0-2 Arsenal

Arsenal began their journey in the Champions League with a comfortable 2-0 win over Athletic Club courtesy of goals from Gabriel Martinelli and Leandro Trossard at the San Mames Barria in Bilbao.